– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 3 am Sat 07 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 am Sat 07 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Sat 07 Mar Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 29mm) on Sat night. Becoming colder with heavy fall of snow, heaviest during Sun night. Freeze-thaw conditions (max 8°C on Sat morning, min -3°C on Mon night). Wind will be generally light. | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Wed morning. Becoming milder with heavy rain (total 70mm) on Wed night. Freeze-thaw conditions (max 6°C on Wed night, min -5°C on Thu night). Wind will be generally light. | |||||||||||||||||
Saturday 7 | Sunday 8 | Monday 9 | Tuesday 10 | Wednesday 11 | Thursday 12 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  | | | | | |  | |  | | | | | |
light rain | light rain | rain shwrs | some clouds | light snow | mod. snow | light snow | light snow | mod. snow | light snow | light snow | light snow | light snow | heavy rain | light snow | light snow | light snow | light snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | 1 | 8 | 1 | 4 | 7 | 3 | 1 | 5 | 5 | — | 2 | 1 | 3 | 5 | |
0.3 | 0.4 | 28 | — | 0.5 | — | — | — | — | — | — | — | 13 | 28 | 29 | — | — | — | |
max °C | 8 | 8 | 8 | 4 | 2 | 0 | -1 | 0 | -2 | 0 | 0 | 1 | 2 | 4 | 6 | 1 | 0 | -2 |
min °C | 8 | 8 | 5 | 4 | 0 | -2 | -1 | -1 | -3 | -1 | -1 | 0 | 1 | 3 | -1 | 0 | -2 | -5 |
7 | 6 | 2 | 0 | -4 | -5 | -4 | -4 | -6 | -4 | -5 | -4 | -4 | -2 | -5 | -4 | -7 | -5 | |
2400 | 2200 | 1800 | 1050 | 750 | 500 | 400 | 450 | 0 | 400 | 550 | 600 | 750 | 1050 | 900 | 500 | 450 | 0 | |
Cloud base (m) | 600 | 600 | 550 | 750 | 550 | 600 | 600 | 600 | 600 | 650 | 600 | 600 | 550 | 550 | 650 | 600 | 600 | |
 | 6:37 | — | — | 7:35 | — | — | 6:33 | — | — | 6:31 | — | — | 6:28 | — | — | 6:26 | — | — |
 | — | 6:00 | — | — | 7:01 | — | — | 6:04 | — | — | 6:05 | — | — | 6:07 | — | — | 6:07 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 29mm) on Sat night. Becoming colder with heavy fall of snow, heaviest during Sun night. Freeze-thaw conditions (max 8°C on Sat morning, min -3°C on Mon night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
A heavy fall of snow, heaviest during Wed morning. Becoming milder with heavy rain (total 70mm) on Wed night. Freeze-thaw conditions (max 6°C on Wed night, min -5°C on Thu night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.